Aguila Reintroduces the 5mm RRM

by Richard Johnson

Published: March 15th, 2016

5MM-RRM-FMJ

Keen observers of the Aguila Ammunition catalog might have noticed that the company is re-introducing the 5mm RRM cartridge to its line up. In fact, the company will be offering three different loads for this cartridge.

Aguila Loads

As stated, there are three new loads from Aguila for the 5mm RRM. The first, a FMJ round, does not have any published specifications yet.

The second load uses a 40 grain JHP bullet loaded to 2,300 fps at the muzzle. The third load is a 45 grain semi-jacked hollow point that is loaded to 2,400 fps.

No word yet on pricing or a shipping date.

Background

For those not familiar with the round, the 5mm RRM is a rimfire cartridge that was developed by Remington in the late 1960’s. It was introduced in 1969 and Remington offered a pair of bolt action rifles for it: the 591 and 592. After just a few years, the rifles were discontinued.

RRM stands for Remington Rimfire Magnum. It uses a .204 caliber bullet and a bottle neck case. Since the 591/592 rifles were discontinued, it appears that only T/C made and guns chambered for this cartridge.

Taurus announced the Model 590 revolver at the 2008 SHOT Show, but never actually delivered any of those guns. At the same show, Aguila announced a return of the 5mm RRM. Though I’ve never been able to confirm it, I suspect the two companies worked together to bring back the cartridge. Why Taurus failed to deliver the gun is anyone’s guess.

The 2008 Aguila 5mm RRM used a 30 grain JHP bullet loaded to 2,300 fps.

#Aguila #5mmRRM

Richard Johnson

An advocate of gun proliferation zones, Richard is a long time shooter, former cop and internet entrepreneur. Among the many places he calls home is http://www.gunsholstersandgear.com/.

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4 of 33 comments

Miguel Raton on Mar 15, 2016

"Why Taurus failed to deliver the gun is anyone’s guess." My guess: they found out that bottle-neck rounds don't play nice w/ revolvers, setting back & tying up the cylinder. ;-)

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- Maodeedee on Mar 19, 2016
  
  @Miguel Raton I don't think that was a problem with the Taurus 17SS6 1HMR revolver as it was with the old S&W model 53 in 22Jet and that may be because the rimfire cartridge operates at lower pressures.
  The 45 grain semi-jacked hollow point that is loaded to 2,400 fps. out of a rifle barrels may still be capable of doing 1800 fps out oif a 6 inch pistol barrel which isn't to bad when you consider than most 40 grain 22 mag loads only do about 1900 fps out of a RIFLE barrel. \
  Whenever velocity figures are bandied about people get confused. In the case of the 5.7 FN, people are always mistakenly attributing carbine velocities to the pistol which is mostly wishful thinking. A word to the wise on the Taurus pistol. Taurus is always coming out with interesting guns and then discontinuing them. If you want one, don't delay.
  Edit: I just read the article and I see that the ammo and the handgun were supposed to go on the market in 2008 but never did. Now I'm confused. Is Aguila coming out with this new loading for this obsolete cartridge now, or was that back in 200?
  
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Gunsandrockets on Mar 15, 2016

Serious question. Is 5mm more practical, less fussy, than .17 calibers?
Or is it merely debating how many angels can dance on the head of a pin?

Like Reply
- Underoverlay on Mar 16, 2016
  
  @gunsandrockets Well, the .204" 45gr JHP in this caliber should have about the same BC as a 60gr .224" bullet. Where .204" really shines (e.g. in 20 VarTarg) is with the heavier bullets; Berger's 55gr G7 BC is about the same as their 73gr .224" target bullets...
  
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